Home / 11,101.83-16,652.21-4,081.31

Finding the Fourth Proportional to 11,101.83, 16,652.21 and 4,081.31

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Solution

The fourth proportional to 11,101.83, 16,652.21 and 4,081.31 is: 6,121.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,101.83 : 16,652.21 = 4,081.31 : x
  2. Step 2: Convert to fraction form
    11,101.83/16,652.21 = 4,081.31/x
  3. Step 3: Cross multiply
    11,101.83x = 16,652.21 × 4,081.31
  4. Step 4: Simplify right side
    11,101.83x = 67,962,727.53
  5. Step 5: Solve for x
    x = 67,962,727.53/11,101.83
  6. Step 6: Final answer
    x = 6,121.76

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.